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Old 08-15-2019, 07:27 PM
gotpasswords is offline
Charter Member
Join Date: Mar 1999
Location: San Francisco area
Posts: 16,375
Originally Posted by beowulff
Well, I work in Sports Lighting, and I can assure you that (older) lighting controls make a HUGE clunk when they are turned on. I once nearly crapped in my pants when we activated a 1960ís-vintage contractor. It sounded like a gunshot!
OK, so I momentarily forgot about relays and contactors. Still a crack, rather than the stereotyped ka-HUNK!

Do the big lighting systems still use electromechanical devices? I'm assuming it's moving to DMX control with silent triacs or small relays inside the instruments that just go >tick<.